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The level of fine quality and beauty they were able to achieve in their work surpassed that of other countries and came to be revered by even the Chinese for it's elegant, yet simple beauty.
Buddhist temples flourished during the Koryo period, and with them grew a need for fine vessels to be used during the many ritual ceremonies.
In the middle of the 10th century Korean artists, some who had been schooled in China, began creating celadon by using inlay and copper glazing techniques which were developed first in China but only fully developed and perfected by Korean artisans.
With the Mongol Invasions which started in 1231 AD the flourishing culture began to decline, and along with it, the quality of the pottery being produced.
By the beginning of the Chosun Dynasty (1392-1910) most of the delicate manufacturing techniques for celadon had been lost.
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